Developmental models of thinking / 
edited by Rainer H. Kluwe, Hans Spada 
 - New York :  Academic Press,  1980 
 - 304 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0124164501 
<br/><br/><label>LCCN: </label>79-6780 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking--Congresses<br/>Cognition in children--Congresses